The Graph in Figure 22

question 103

Multiple Choice

The graph in Figure 22.9, below, shows that the extent of the adaptive radiation of the Galápagos finches is correlated with the number of islands present in the archipelago. What can be concluded from the graph?

• A)This shows that rates of speciation are correlated with the net total land area available.
• B)This shows that each island hosts sympatrically speciating populations.
• C)This shows that opportunities for geographic isolation are a key component of the speciation process.
• D)This shows that allopatric speciation tends not to occur on islands.
• E)This shows that the balance between rates of sympatric and allopatric speciation is governed by mutation rates.

---

Definitions:

Differential Revenue

The difference in revenue between two alternative decisions or scenarios.

Course of Action

A plan or strategy designed to achieve a specific goal or solve a problem.

Differential Cost

The difference in total cost between two alternative decisions or scenarios.

Further Process

The subsequent operations or steps taken to enhance or complete the production of goods.